const path = require('path');
const webpack = require('webpack');
const { IgnorePlugin } = require('webpack');
const { createMockMiddleware } = require('umi-mock-middleware');
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
const createThemeColorReplacerPlugin = require('./config/theme.plugin');
const GitRevisionPlugin = require('git-revision-webpack-plugin');

const GitRevision = new GitRevisionPlugin();
const buildDate = JSON.stringify(new Date().toLocaleString());

// const isProd = process.env.NODE_ENV === 'production'
// const isUseCDN = process.env.IS_USE_CDN === 'true';
const isUseCDN = false;
const isAnalyz = process.env.IS_ANALYZ === 'true';

function resolve(dir) {
  return path.join(__dirname, dir);
}

// check Git
function getGitHash() {
  try {
    return GitRevision.version();
  } catch (e) {
    return new Error(e);
  }
  return 'unknown';
}

const assetsCDN = {
  externals: {
    vue: 'Vue',
    vuex: 'Vuex',
    'vue-router': 'VueRouter'
  },
  assets: {
    css: [],
    // https://unpkg.com/:package@:version/:file
    // https://cdn.jsdelivr.net/package:version/:file
    js: [
      '//cdn.jsdelivr.net/npm/vue@latest/dist/vue.min.js',
      '//cdn.jsdelivr.net/npm/vue-router@latest/dist/vue-router.min.js',
      '//cdn.jsdelivr.net/npm/vuex@latest/dist/vuex.min.js'
    ]
  }
};

// vue.config
const vueConfig = {
  configureWebpack: {
    plugins: [
      // Ignore all locale files of moment.js
      new IgnorePlugin(/^\.\/locale$/, /moment$/),
      new webpack.DefinePlugin({
        APP_VERSION: `"${require('./package.json').version}"`,
        GIT_HASH: JSON.stringify(getGitHash()),
        BUILD_DATE: buildDate
      })
    ],
    resolve: {
      alias: {
        '@ant-design/icons/lib/dist$': resolve('./src/icons.js')
      }
    },
    externals: isUseCDN ? assetsCDN.externals : {}
  },
  chainWebpack: (config) => {
    // replace svg-loader
    const svgRule = config.module.rule('svg');
    svgRule.uses.clear();

    svgRule.oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      });

    // if `IS_USE_CDN` env is TRUE require on cdn assets
    isUseCDN && config.plugin('html').tap((args) => {
      args[0].cdn = assetsCDN.assets;
      return args;
    });
    // if `IS_ANALYZ` env is TRUE on report bundle info
    isAnalyz && config.plugin('webpack-report').use(BundleAnalyzerPlugin, [
      {
        analyzerMode: 'static'
      }
    ]);
  },
  // style config
  css: {
    extract: false,
    sourceMap: false,
    loaderOptions: {
      scss: {
        additionalData: `
          @import "./src/styles/variables";
        `
      },
      less: {
        modifyVars: {
          // less vars，customize ant design theme
          'border-radius-base': '2px'
          // 'primary-color': '#1B1F8F',
        },
        // DO NOT REMOVE THIS LINE
        javascriptEnabled: true,
        additionalData: `
          @import "@import "./src/styles/vant-var.less";
        `,
        lessOptions: {
          modifyVars: {
            hack: 'true; @import "./src/styles/vant-var.less";'
          }
        }
      }
    }
  },
  devServer: {
    // development server port 8000
    port: 8000,
    // mock serve
    // before: app => {
    //   if (process.env.MOCK !== 'none' && process.env.HTTP_MOCK !== 'none') {
    //     app.use(createMockMiddleware())
    //   }
    // },
    // If you want to turn on the proxy, please remove the mockjs /src/main.jsL11
    proxy: {
      '/api/flow': {
        target: process.env.VUE_APP_BASE_API_URL,
        ws: false,
        changeOrigin: true,
        pathRewrite: {
          '^/api/flow': ''
        }
      },

      '/api/risk': {
        target: process.env.VUE_APP_RISK_ENGINE_BASE_API_URL,
        ws: false,
        changeOrigin: true,
        pathRewrite: {
          '^/api/risk': ''
        }
      }
    }
  },
  /* ADVANCED SETTINGS */

  // disable source map in production
  productionSourceMap: false,
  // ESLint Check: DISABLE for false
  // Type: boolean | 'warning' | 'default' | 'error'
  lintOnSave: 'warning',
  // babel-loader no-ignore node_modules/*
  transpileDependencies: []
};

// preview.pro.antdv.com only do not use in your production;
if (process.env.VUE_APP_PREVIEW === 'true') {
  console.log('Running Preview Mode');
  // add `ThemeColorReplacer` plugin to webpack plugins
  vueConfig.configureWebpack.plugins.push(createThemeColorReplacerPlugin());
}

module.exports = vueConfig;
